75 lines
2.3 KiB
C
75 lines
2.3 KiB
C
/*****************************************************************************/
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/**
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* Description: A simplified version of timesync for datalink 814 (Dijian)
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*
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* Date: 2023-12-20-04 16:32
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* LastEditors: Fan Hao
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* LastEditTime: 2023-12-20 16:32
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* Revisions: Rev 0.0
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* History:
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* [2023-12-20]: Initial version.
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*
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* Copyright(c) 2021 Beijing Institute of Technology.
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* Lab of Communication and Networking
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*
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******************************************************************************/
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#ifndef TIME_CTRL_H_
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#define TIME_CTRL_H_
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/***************************** Include Files *********************************/
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#include <stdint.h>
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/************************** Constant Definitions *****************************/
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#define TIME_FRAC_MAX 500000 // how many 10ns in a 5ms
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/***************** Macros (Inline Functions) Definitions *********************/
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/**************************** Type Definitions *******************************/
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typedef enum
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{
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TM_ADJ_NONE = 0,
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TM_ADJ_ADD = 1,
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TM_ADJ_SET = 2
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} TIMECTRL_ADJ_TYPE;
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typedef uint32_t TIME_FRAC;
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typedef uint32_t TIME_INT;
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typedef struct
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{
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/* 5ms each LSB */
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TIME_INT int_part;
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/* 10ns each LSB */
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TIME_FRAC frac_part;
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} TIME_WORD;
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typedef struct
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{
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uintptr_t baseAddr;
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uint32_t reset; // time for reset (unit: us)
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} TMC_CONFIG;
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typedef struct
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{
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TMC_CONFIG config;
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uint32_t modelVer;
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} TMC_INST;
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/************************** Function Prototypes ******************************/
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int32_t TimeCtrl_Init(TMC_INST **instPtr, TMC_CONFIG *config);
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uint32_t TimeCtrl_GetVersion(TMC_INST *instPtr);
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void TimeCtrl_Destroy(TMC_INST *instPtr);
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void TimeCtrl_Reset(TMC_INST *instPtr);
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void TimeCtrl_ResetLow(TMC_INST *instPtr);
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void TimeCtrl_ResetHigh(TMC_INST *instPtr);
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TIME_INT TimeCtrl_GetIntCnt(TMC_INST *instPtr);
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TIME_FRAC TimeCtrl_GetFracCnt(TMC_INST *instPtr);
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void TimeCtrl_GetCurrentTime(TMC_INST *instPtr, TIME_WORD *tmWord);
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void TimeCtrl_GetCurrentStep(TMC_INST *instPtr, TIME_FRAC *tmFrac);
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void TimeCtrl_SetOptimizeStep(TMC_INST *instPtr, TIME_FRAC *tmFrac);
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void TimeCtrl_TimeAdjust(TMC_INST *instPtr, const TIME_WORD *tmWord, TIMECTRL_ADJ_TYPE type);
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void TimeCtrl_CalculateTimeGap(const TIME_WORD *a, const TIME_WORD *b, TIME_WORD *gap);
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#endif /* TIME_SYNC_H_ */
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